Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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HCPL-0661-500E


Logic Output Optoisolator 10MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 15kV/µs CMTI 8-SO Tall
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Broadcom 3660
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AUD 3.5768
Multiples of: 1

TCLT1100


Transistor Output Optocouplers Phototransistor Out Single CTR 50-600%
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Vishay 2270
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AUD 0.3315
Multiples of: 1

PS2535-1-A


Transistor Output Optocouplers 4pin Darlington DC Coupler
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CEL 2269
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AUD 1.4074
Multiples of: 1

SFH601-2X016


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 63-125%
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Vishay 2262
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AUD 0.7857
Multiples of: 1

VO2223


Triac & SCR Output Optocouplers 0.9 A, DIP-8 package 10-mA input trig crt
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Vishay 2262
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AUD 1.3092
Multiples of: 1

LTV-817M-D


Optocoupler; THT; Channels:1; Out: transistor; Uinsul:5kV; Uce:35V
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Lite-On 2243
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AUD 0.1567
Multiples of: 1

SFH610A-5


Transistor Output Optocouplers H. Relblty 5300 Vrms 250-500% CTR
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Vishay 2239
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AUD 0.5332
Multiples of: 1

TLP290(V4BLTP,SE(T


SOIC-4 Transistor, Photovoltaic Output Optoisolators ROHS
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Toshiba 2156
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AUD 0.3913
Multiples of: 1

MOC3052M


1 5000V 100mA 60mA 600V 1000V/us 1.18V No Two-way thyristor -55℃~+100℃ DIP-6 Optocouplers - Thyristor Signal Output ROHS
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Youtai 1411
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AUD 0.1654
Multiples of: 5

ISP817XSM


Optocoupler; SMD; Channels:1; Out: transistor; Uinsul:5.3kV
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Isocom 1263
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AUD 0.2821
Multiples of: 1

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